Abstract
A new family of rare earth-rhodium-tin intermetallic compounds, with the representative formula (RE)Rh xSn y, has been synthesized in single crystal form. The compounds containing the heavier rare earths are superconducting and those with the lighter rare earths are generally magnetic. The compound ErRh 1.1Sn 3.6 exhibits reentrant superconductivity with T c = 0.97 K and T m = 0.57 K as determined from ac magnetic susceptibility measurements. The synthesis and X-ray characterization of the series are described and the results of electrical resistivity, upper critical magnetic field, magnetic susceptibility, specific heat and neutron scattering measurements on the Er compound are given.
Highlights
Considerable research activity has recently been focused on the interaction between superconductivity and long-range magnetic orderP 4) Two classes of ternary cornpounds exhibiting these phenomena have been reported: the Chevrel phases typified by RE,Mo6S8(5)t7>anIdn RthEis~MLeottseSresw(e6) arenpdorttheprteeptraarbatoirvied,escrsyusctahllaosgr(aRpEhi)cR,h4aBna4l.ytical, and transition temperature data for a new family of compounds
All the cornpounds have been prepared as single crystals
The compounds were synthesized as single crystals by crystallization from an excess of liquid tin employed as a solvent, While the use of molten metals as solvents to effect crystallization is not new, this procedure should be a productive way to explore the periodic system for new compounds
Summary
E. Moncton Bell Laboratories Murray Hill, NJ 07974. B. Maple~ Institute for Pure and Applied Physical Sciences University of California, San Diego La Jolla, CA 92093. A new family of rare earth-rhodium-tin intermetallic compounds, with the representative formula (RE)Rh~Sn~h,as been synthesized in single crystal form. The compounds containing the heavier rare earths are superconducting and those with the lighter rare earths are generally magnetic. ~=The0.9s7ynKtheasnids and X-ray characterization of the series are described and the results of electrical resistivity, upper critical magnetic field, magnetic susceptibility, specific heat and neutron scattering measurements on the Er compound are given T=he0.c5o7mKpoausnddetEerrmRhineSdnf3r6omexahcibmitasgnreeteicntrsaunstcesputipbeirlictoynmduecatisvuirtyewmietnhtsT. ~=The0.9s7ynKtheasnids and X-ray characterization of the series are described and the results of electrical resistivity, upper critical magnetic field, magnetic susceptibility, specific heat and neutron scattering measurements on the Er compound are given
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